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<FONT color="green">001</FONT>    package metaface.client;<a name="line.1"></a>
<FONT color="green">002</FONT>    import javax.xml.parsers.*;<a name="line.2"></a>
<FONT color="green">003</FONT>    import org.xml.sax.*;<a name="line.3"></a>
<FONT color="green">004</FONT>    import org.xml.sax.helpers.*;<a name="line.4"></a>
<FONT color="green">005</FONT>    import java.util.*;<a name="line.5"></a>
<FONT color="green">006</FONT>    import java.io.*;<a name="line.6"></a>
<FONT color="green">007</FONT>    import java.security.*;<a name="line.7"></a>
<FONT color="green">008</FONT>    <a name="line.8"></a>
<FONT color="green">009</FONT>    /**<a name="line.9"></a>
<FONT color="green">010</FONT>     *  This class allows XML parsing errors to propogate due to privileged actions.<a name="line.10"></a>
<FONT color="green">011</FONT>     *  Otherwise a security exception will be thrown for XML errors.<a name="line.11"></a>
<FONT color="green">012</FONT>     *<a name="line.12"></a>
<FONT color="green">013</FONT>     *@author     Simon Beard <a name="line.13"></a>
<FONT color="green">014</FONT>     *@version    1.0<a name="line.14"></a>
<FONT color="green">015</FONT>     *@see        VHMLOutputTagReader<a name="line.15"></a>
<FONT color="green">016</FONT>     *@see        VHMLOutputReader<a name="line.16"></a>
<FONT color="green">017</FONT>     */<a name="line.17"></a>
<FONT color="green">018</FONT>    class VHMLOutputAccess implements PrivilegedAction {<a name="line.18"></a>
<FONT color="green">019</FONT>            private XMLReader xmlreader;<a name="line.19"></a>
<FONT color="green">020</FONT>            private String eca_synthesis_file;<a name="line.20"></a>
<FONT color="green">021</FONT>    <a name="line.21"></a>
<FONT color="green">022</FONT>    <a name="line.22"></a>
<FONT color="green">023</FONT>            /**<a name="line.23"></a>
<FONT color="green">024</FONT>             *  Constructor for the VHMLOutputAccess object<a name="line.24"></a>
<FONT color="green">025</FONT>             *<a name="line.25"></a>
<FONT color="green">026</FONT>             *@param  xmlr  The XML parser needing privileged action<a name="line.26"></a>
<FONT color="green">027</FONT>             *@param  file  The VHML output file to be parsed<a name="line.27"></a>
<FONT color="green">028</FONT>             */<a name="line.28"></a>
<FONT color="green">029</FONT>            public VHMLOutputAccess(XMLReader xmlr, String file) {<a name="line.29"></a>
<FONT color="green">030</FONT>                    xmlreader = xmlr;<a name="line.30"></a>
<FONT color="green">031</FONT>                    eca_synthesis_file = file;<a name="line.31"></a>
<FONT color="green">032</FONT>            }<a name="line.32"></a>
<FONT color="green">033</FONT>    <a name="line.33"></a>
<FONT color="green">034</FONT>    <a name="line.34"></a>
<FONT color="green">035</FONT>            /**<a name="line.35"></a>
<FONT color="green">036</FONT>             *  Main processing method for the VHMLOutputAccess object in order to execute<a name="line.36"></a>
<FONT color="green">037</FONT>             *  a privileged action<a name="line.37"></a>
<FONT color="green">038</FONT>             *<a name="line.38"></a>
<FONT color="green">039</FONT>             *@return    null<a name="line.39"></a>
<FONT color="green">040</FONT>             */<a name="line.40"></a>
<FONT color="green">041</FONT>            public Object run() {<a name="line.41"></a>
<FONT color="green">042</FONT>                    try {<a name="line.42"></a>
<FONT color="green">043</FONT>                            xmlreader.parse(eca_synthesis_file);<a name="line.43"></a>
<FONT color="green">044</FONT>                    } catch (SAXException e) {<a name="line.44"></a>
<FONT color="green">045</FONT>                            System.err.println("XML error parsing VHML output file");<a name="line.45"></a>
<FONT color="green">046</FONT>                            e.printStackTrace();<a name="line.46"></a>
<FONT color="green">047</FONT>                    } catch (IOException e) {<a name="line.47"></a>
<FONT color="green">048</FONT>                            System.err.println("IO error parsing VHML output file");<a name="line.48"></a>
<FONT color="green">049</FONT>                            e.printStackTrace();<a name="line.49"></a>
<FONT color="green">050</FONT>                    }<a name="line.50"></a>
<FONT color="green">051</FONT>                    return null;<a name="line.51"></a>
<FONT color="green">052</FONT>            }<a name="line.52"></a>
<FONT color="green">053</FONT>    }<a name="line.53"></a>
<FONT color="green">054</FONT>    <a name="line.54"></a>




























































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